diff --git a/pkgs/llvm-epi/default.nix b/pkgs/llvm-epi/default.nix
index 9fe7c8e..db893b8 100644
--- a/pkgs/llvm-epi/default.nix
+++ b/pkgs/llvm-epi/default.nix
@@ -41,6 +41,8 @@ in wrapCCWith {
 
     echo "--gcc-toolchain=${gcc}" >> $out/nix-support/cc-cflags
 
+    # Protect against access to clang/clang++ instead of $CC/$CXX
+    wrap clang    $wrapper $ccPath/clang
     wrap clang++  $wrapper $ccPath/clang++
   '';
 }